|C 0.90-1.20%||Si 0.10-0.35%||MN 0.30-0.75%||S 0.050% max||P 0.050% max||Cr 1.00-1.60%|
Virat Special Steels is the biggest & leading Supplier & Stockiest of EN 31 in India.
EN 31 is a excellent high carbon alloy steel which offers a high measure of hardness with compressive strength and abrasion resistance.
This Grade is quite often used for wear resisting machine constituents and for press instruments which don't advantage a extra complex satisfactory.
Standard hiqh-speed steel qrade. Itswell-balanced alloy composition forms the basis of its high_touqhn-essand good clllting edge retention, rendenng it $uitable for a large variety of appllcatons.
|Thermal Conductivity at °C||20||350||700|
|Soft annealing °C||Cooling||Hardness HB|
|Stress-relief annealing °C||Cooling|
|600 - 650||Furnace|
|1st pre-heating °C||2nd and 3rd||Hardening °C||Quenching||Tempering °C||Hardness after Teperature HRC|
|up to approx. 400 in an air-circulating furnace||800 and 900||800-820||810 °C Oil ,Quench||at least twice 150-200||61 – 63|